In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
February 1 » Thomas A. Edison finishes construction of the first motion picture studio, the Black Maria in West Orange, New Jersey.
February 28 » The USSIndiana, the lead ship of her class and the first battleship in the United States Navy comparable to foreign battleships of the time, is launched.
May 1 » The World's Columbian Exposition opens in Chicago.
June 13 » Grover Cleveland notices a rough spot in his mouth and on July 1 undergoes secret, successful surgery to remove a large, cancerous portion of his jaw; the operation was not revealed to the public until 1917, nine years after the president's death.
September 20 » Charles Duryea and his brother road-test the first American-made gasoline-powered automobile.
December 23 » The opera Hansel and Gretel by Engelbert Humperdinck is first performed.
Day of marriage July 9, 1921
The temperature on July 9, 1921 was between 10.9 °C and 25.3 °C and averaged 19.0 °C. There was 14.8 hours of sunshine (90%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
Day of death September 22, 1970
The temperature on September 22, 1970 was between 7.1 °C and 16.5 °C and averaged 11.6 °C. There was 9.9 hours of sunshine (81%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 12 » Biafra capitulates, ending the Nigerian Civil War.
January 15 » Nigerian Civil War: Biafran rebels surrender following an unsuccessful 32-month fight for independence from Nigeria.
March 21 » The first Earth Day proclamation is issued by Joseph Alioto, Mayor of San Francisco.
October 17 » FLQ terrorists murder Quebec Vice-Premier and Minister of Labour Pierre Laporte.
November 9 » Vietnam War: The Supreme Court of the United States votes 6–3 against hearing a case to allow Massachusetts to enforce its law granting residents the right to refuse military service in an undeclared war.
December 23 » The Democratic Republic of the Congo officially becomes a one-party state.
When copying data from this family tree, please include a reference to the origin: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I9266.php : accessed February 15, 2026), "Gerrit de ROOS (1893-1970)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.